<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="../js/vue.js" type="text/javascript" charset="utf-8"></script>
	</head>
	<body>
		<div id="app">
			<ul>
				<li v-for="(item, index) in letters" :key="item">{{item}}----{{index}}</li>
			</ul>
		</div>
	</body>
	<script type="text/javascript">
		const app = new Vue({
			el:'#app',
			data:{
				letters:['a', 'b', 'c', 'd', 'e']
			}
		})
	</script>
</html>
